EtherChannel
Network

EtherChannel

1. EtherChannel

- ๋‹ค์ˆ˜์˜ Port๋ฅผ ํ•˜๋‚˜์˜ ๋…ผ๋ฆฌ์  Port๋กœ ๋ฌถ์–ด ๊ด€๋ฆฌํ•˜๋ฉฐ ๋ฌถ์ธ Port๋งŒํผ ๋Œ€์—ญํญ์„ ๋Š˜๋ฆด ์ˆ˜ ์žˆ์Œ

- Redundancy ๋ฐ Load Balancing ์ง€์›

- L2, L3 ์Šค์œ„์น˜ ์ง€์›

- ์กฐ๊ฑด

Access Port : Speed, Duplex Mode, VLAN ID ๋™์ผ

Trunk Port : Speed, Duplex Mode, Trunk ํ”„๋กœํ† ์ฝœ, VLAN ID, Native VLAN ID ๋™์ผ

 

Catalyst 3750-X and 3560-X Switch Software Configuration Guide, Release 12.2(55)SE - Configuring EtherChannels [Cisco Catalyst 3

Configuring EtherChannels

www.cisco.com

 

2. PAgP(Port Aggregation Protocol)

- cisco ์ „์šฉ ํ”„๋กœํ† ์ฝœ

- Mode

Desirable Mode : ์ƒ๋Œ€ ์žฅ๋น„์™€ EtherChannel ํ˜‘์ƒํ•˜์—ฌ ์ ๊ทน์ ์œผ๋กœ PAgP ์‚ฌ์šฉ

Auto Mode : ์†Œ๊ทน์ ์œผ๋กœ ์ƒ๋Œ€ ์žฅ๋น„ Port๊ฐ€ PAgP๋ฉด PAgP ์‚ฌ์šฉ

On Mode : ์ƒ๋Œ€ ์žฅ๋น„์™€ ํ˜‘์ƒ ํ”„๋กœํ† ์ฝœ ์—†์ด(PAgP X) EtherChannel ์‚ฌ์šฉ(์ƒ๋Œ€๋ฐฉ๋„ On Mode)

* ์ผ๋ฐ˜์ ์œผ๋กœ ํƒ€์‚ฌ ์žฅ๋น„๊ฐ„์€ Desirable Mode, ๋™์ผ ๋ฒค๋” ์žฅ๋น„๊ฐ„์€ On Mode ์‚ฌ์šฉ

#L2
SW(config)#interface port-channel 1
SW(config-if)#switchport
SW(config-if)#interface range Gi0/0-1
SW(config-if-range)#channel-protocol pagp
SW(config-if-range)#channel-group 1 mode active
SW(config-if-range)#exit

#L3
SW(config)#interface port-channel 1
SW(config-if)#no switchport
SW(config-if)#10.0.10.0/24
SW(config-if)#interface range Gi0/0-1
SW(config-if-range)#channel-protocol pagp
SW(config-if-range)#channel-group 1 mode active
SW(config-if-range)#exit

 

3. LACP(Link Aggregaciton Control Protocol)

- ํ‘œ์ค€ ํ”„๋กœํ† ์ฝœ

- Mode

Active Mode : ์ƒ๋Œ€ ์žฅ๋น„์™€ EtherChannel ํ˜‘์ƒํ•˜์—ฌ ์ ๊ทน์ ์œผ๋กœ LACP ์‚ฌ์šฉ

Passive Mode : ์†Œ๊ทน์ ์œผ๋กœ ์ƒ๋Œ€ ์žฅ๋น„ Port๊ฐ€ LACP๋ฉด LACP ์‚ฌ์šฉ

On Mode : ์ƒ๋Œ€ ์žฅ๋น„์™€ ํ˜‘์ƒ ํ”„๋กœํ† ์ฝœ ์—†์ด(LACP X) EtherChannel ์‚ฌ์šฉ(์ƒ๋Œ€๋ฐฉ๋„ On Mode)

* ์ผ๋ฐ˜์ ์œผ๋กœ ํƒ€์‚ฌ ์žฅ๋น„๊ฐ„์€ Active Mode, ๋™์ผ ๋ฒค๋” ์žฅ๋น„๊ฐ„์€ On Mode ์‚ฌ์šฉ

#L2
SW(config)#interface port-channel 1
SW(config-if)#switchport
SW(config-if)#interface range Gi0/0-1
SW(config-if-range)#channel-protocol lacp
SW(config-if-range)#channel-group 1 mode active
SW(config-if-range)#exit

#L3
SW(config)#interface port-channel 1
SW(config-if)#no switchport
SW(config-if)#10.0.10.0/24
SW(config-if)#interface range Gi0/0-1
SW(config-if-range)#channel-protocol lacp
SW(config-if-range)#channel-group 1 mode active
SW(config-if-range)#exit
SW#show etherchannel summary

#EtherChannel ์ •๋ณด ํ™•์ธ ๊ฐ€๋Šฅ

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